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Introduced with Operation Flashpoint version 1.00
  

点击图片可看到更多讯息

开始使用于

游戏:
Operation Flashpoint
版本:
1.00

描述

描述:
Executes the given command(s) on every item of an array.
The array items are represented by the magic variable _x. The array indices are represented by _forEachIndex.
In ArmA2 & VBS2, the variable _x is always local to the forEach block so it is safe to nest them.

基本句法

句法:
script forEach array
参数:
script: String or Code (OFP / Armed Assault)

array: Array
返回值:
Anything - will return the value of last executed statement

范例

范例1:
{ _x setDammage 1; } forEach units group player;

范例2:
This command can also easily be used to execute a single command multiple times without respect to the array items. { player addMagazine "M16"; } forEach [1, 2, 3, 4];

范例3:
You can also use multiple commands in the same block. {

   _x setCaptive true;
   removeAllWeapons _x;
   doStop _x;

} forEach units group this;

范例4:
To get the index of a forEach loop, use _forEachIndex. {systemChat format ["%1", _forEachIndex];} forEach [1,2,3]; Will return: "0", "1", "2" in systemChat messages.

额外资讯

多人游戏:
-
也可以看看:

setresizepushBackpushBackUniqueapplyreverseselectinfindtoArraytoStringcountdeleteAtdeleteRangeappendsortparamparamsarrayIntersectControl StructuressplitStringjoinString

注意事项

此处撰写句法皆为可行用法. 可到官网[1]专页回报错误. 你可以使用讨论页面或是论坛来进行讨论.
新增注意事项 | 如何新增?

Notes

Posted on July 20, 2010
Kronzky
If arrays are used in forEach loops, _x uses them by reference, so any changes to _x will be applied to the original: _arr1 = [1,2,3]; _arr2 = [6,7,8]; {_x set [1,"x"]} forEach [_arr1,_arr2]; will change _arr1 to [1,"x",3], and _arr2 to [6,"x",8].

Bottom Section

Posted on August 29, 2014 - 22:23 (UTC)
Fett Li
forEach returns any (the last passed value will be the return value or just Nothing, depends on the function called). _var = {_x} forEach [ nil,"s",objNull,configFile ]; // return bin\config.bin _var = {_x setCaptive true} forEach allUnits; // return nothing

Posted on September 20, 2014
Mossarelli
Using the foreach loop, since there are no variable for the index like say the for-do loop, there is a variable that you can use to check the index of the foreach loop.

{ if (_forEachIndex == 1) then { // Copilot _x addUniform "U_B_Soldier_VR"; } else { // Adams [_x, "B_Soldier_TL_F"] call BIS_fnc_loadInventory; _x addUniform "U_B_Soldier_VR"; _x setIdentity "Bootcamp_B_Adams"; }; } forEach _crew; So when the array is past from _crew to the loop, index 1 (which is the second element) is the copilot of the "B_Heli_Light_01_F" and he will get "U_B_Soldier_VR" as a uniform. While the pilot which is index 0 (first element), will get the same uniform but will get the loadout of "B_Soldier_TL_F" and the identity of "Bootcamp_B_Adams".

Posted on January 2, 2015 - 22:35 (UTC)
Heeeere's Johnny!

Using exitWith inside a forEach loop will make forEach actually return something, namely whatever the exitWith returns: _result = {

   if(_x isEqualTo 3) exitWith {"Hello"}

} forEach [1,2,3,4,5]; //_result = "Hello"

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